May weather forecastBertha, PA
May
Weather in May
The last month of the spring, May, is an agreeable month in Bertha, Pennsylvania, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 72.1°F (22.3°C).Temperature
May's arrival signals a temperature shift, moving from a mild 60.1°F (15.6°C) in April to a pleasant 72.1°F (22.3°C). Bertha's average low-temperature is measured at a cool 50.9°F (10.5°C) during May.Humidity
The average relative humidity in May in Bertha is 78%.Rainfall
In May, in Bertha, Pennsylvania, the rain falls for 20.5 days. Throughout May, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 183.5 rainfall days, and 34.37" (873mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Bertha aggregates 0.16" (4mm) of snow. In Bertha, during the entire year, snow falls for 61.6 days and aggregates up to 23.9" (607mm) of snow.Daylight
In Bertha, the average length of the day in May is 14h and 26min.On the first day of May in Bertha, sunrise is at 6:19 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:45 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In May, the average daily maximum UV index in Bertha is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bertha, PA
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Bertha, PA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Bertha, PA
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Bertha, PA
- Average humidity in May: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Bertha, PA
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in May
Bertha, PA
- Average rainfall days in May: 20.5 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in May
Bertha, PA
- Average snowfall in May: 0.16"
The month with the highest snowfall is January (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Bertha, PA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bertha, PA
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Bertha, PA
- Average sunshine days in May: 9 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in May
Bertha, PA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Bertha, PA
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Bertha, PA
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).





